Finding the Fourth Proportional to 59,128.93, 81,665.81 and 43,067.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,128.93 : 81,665.81 = 43,067.80 : x
2. Step 2: Convert to fraction form
   59,128.93/81,665.81 = 43,067.80/x
3. Step 3: Cross multiply
   59,128.93x = 81,665.81 × 43,067.80
4. Step 4: Simplify right side
   59,128.93x = 3,517,166,820.17
5. Step 5: Solve for x
   x = 3,517,166,820.17/59,128.93
6. Step 6: Final answer
   x = 59,483.01